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BS 1881-112-1983 混凝土试验.第112部分:立方体试块的加速养护方法

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【英文标准名称】:Testingconcrete.Methodsofacceleratedcuringoftestcubes
【原文标准名称】:混凝土试验.第112部分:立方体试块的加速养护方法
【标准号】:BS1881-112-1983
【标准状态】:现行
【国别】:英国
【发布日期】:1983-07-29
【实施或试行日期】:1983-07-29
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试样;加热;混凝土;养护;水泥与混凝土技术;立方形;水箱;试样制备;加热器
【英文主题词】:Cementandconcretetechnology;Concretes;Cubicshape;Curing(concrete);Heaters;Heating;Specimenpreparation;Tanks(containers);Testspecimens
【摘要】:Givesthemethodsofacceleratedcuringofconcretetestcubesat35C,55Cand82C.
【中国标准分类号】:P25
【国际标准分类号】:91_100_30
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:Specificationfordesignandmanufactureofwater-tubesteamgeneratingplant(includingsuperheaters,reheatersandsteeltubeeconomizers)
【原文标准名称】:水管式蒸汽发生装置(包括过热器、再热器和钢管式节热器)的设计与生产规范
【标准号】:BS1113-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-11-15
【实施或试行日期】:1999-11-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:柱桶;圆柱形;抗弯应力;寿命;液位指示器;流体静力学(水);文献索引;蒸汽加热器;安全阀;锅炉管;压力装置;弯曲;焊接接头;夹杂物;加热器;工作应力;蒸汽工程;超声检验;缺陷与故障;插接件连接;管联接器;增强的材料;设计计算;高温试验;加热设备;截止阀;厚度;试样;方程;长方形;接线端配件;流量喷咀;熔焊;材料的机械性能;设计;蒸汽装置;技术文献;水力试验;负荷;压力容器;压力计;维修;质量保证;管道配件;水管锅炉;验收(鉴定);压力试验;热处理;人员;无损检验;抗拉试验;锅炉;阀门;弯曲试验;试验条件;断裂伸长;直径;效率;检验;尺寸;作标记;带材;温度;机械试验;钢;应力;焊接;孔;验收检验;生产;性能;省煤器;表面缺陷;薄板材;元部件;硬度试验;壳体结构;冲击试验;热工部件;蒸汽锅炉;角(几何学);认可试验;排成直线;检修;管;锻件
【英文主题词】:Boilers;Components;Design;Economizers;Heatengineeringcomponents;Heaters;Heatingequipment;Mechanicalproperties;Performance;Pipes;Pressureequipment;Pressurevessels;Production;Steamboilers;Steamengineering;Steamheaters;Steamplant;Water-tubeboilers
【摘要】:1ThisBritishStandardspecifiesrequirementsforthedesignandthemanufacture,includingmaterialsanddesignstresses,workmanship,inspection,testing,documentationandmarking,valves,gaugesandfittingsof:a)water-tubesteamgeneratingplantsubjecttointernalpressure;andb)partsofsteamandwaterheatingplantusedinassociationwithsteamgeneratingplant.2Inadditiontothedefinitiverequirements,thisstandardalsorequirestheitemsdetailedin1.5tobedocumented.Forcompliancewiththisstandard,boththedefinitiverequirementsandthedocumenteditemshavetobesatisfied.3ThisBritishStandardappliestothefollowingtypesofplant.a)Water-tubeboilersincludingtheirintegralsteeltubeeconomizersandsuperheatersandallotherpartsconnectedtotheboilerwithouttheinterpositionofashut-offvalvewiththeexceptionofvalvesandfittingsspecifiedinsection7.Water-tubeboilersaredivided,forthepurposesofthisBritishStandard,intothefollowingthreeclasses.1)Naturalcirculationboilers,inwhichthecirculationofthewaterthroughthetubesisaresultofthethermo-syphonicheadproducedbyheating.2)Forced,assistedorcontrolledcirculationboilers,inwhichapumpisusedeitherentirelyorpartlytopromotecirculationofthewaterthroughthetubes.3)Once-throughboilers,inwhichthefeedpumpisusedtoforcetheflowofwaterandsteamthroughthetubes.b)Steamreheaters(eitherintegralwiththeboilerunitorindependentlyfired)receivingsteamwhichhaspassedthroughpartofaturbineorotherprimemover.c)Independentlyfiredsteamsuperheaters.d)Integralsuperheatersseparatedbyashut-offvalvefromtheevaporativecircuits.e)Steeltubeeconomizers(eitherintegralwiththeboilerorindependentlyfired)separatedbyashut-offvalvefromtheboiler.NOTE.Forconvenience,theterm'boiler'usedthroughoutthisstandardincludesthetypesofplantdescribedina)toe).4Thisstandardappliestothepressurepartsofboilersandsuperheaters(asdescribedin1.1.3a)andd))containingwaterandsteamuptoandincludingthevalvesseparatingthesewaterandsteamspacesfromthesteampipestootherequipment,watersupplypipes,drainpipesandthesurroundingatmosphere(safetyvalvesandvents).Inthecaseofreheaters(see1.1.3b),thisstandardappliestopressurepartsfromthepipingconnection(s)attheinletheadertothepipingconnection(s)attheoutletheaderexceptthatwhereadeviceisprovidedinreheatpipingtoblankoffthereheaterforhydraulictesting,thisstandardappliesuptoandincludingthisdevice.Inthecaseofindependentlyfiredsuperheaters(see1.1.3c),andeconomizers(see1.1.3e),thestandardappliestothepressurepartscontainingsteamandwaterrespectivelybetweentheinletandexitvalves,includingtherespectivevalvesandconnectionstodrainpipesandtotheatmosphere.5Section4ofthisstandard(manufactureandworkmanship)includesrequirementsapplicabletothenormalfunctionoftheboilermaker.Requirementsforthequalityofworkmanshipofplates,tubes,forgingsandcastingsintheconditioninwhichtheyarenormallysuppliedtotheboilermakerareincludedinthestandardsintheseriesspecifyingsuchmaterials.6Thisstandarddoesnotapplytobrickworkorothersettingsorsupports,ortoinsulation,ortoairpreheaters,mechanicalstokers,fuelburningorashdisposalequipment,forcedorinduceddraughtequipmentortheiraccessories.Theseitemsaremattersformutualagreementbetweenthepurchaserandthemanufacturer.NOTE.Wheresuchitemsarerequiredorcontemplated,itisrecommendedthatallparticularswhichcouldaffecttheboiler(s)shouldbedisclosedbythepurchasertothemanufactureratthetimeoftheenquiry.7ThisstandardappliesonlytoboilersmanufacturedunderthesurveyofacompetentengineeringInspectingAuthorityororganiza
【中国标准分类号】:J99
【国际标准分类号】:27_040
【页数】:234P;A4
【正文语种】:英语